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January Weather in Thetford, United Kingdom

Last updated: August 27, 2025

In Thetford, United Kingdom, the average temperature in January hovers around 5°C (41°F). Expect chilly days where temperatures can dip to a minimum of -4°C (24°F) and rise to a maximum of 14°C (58°F). Be prepared for some wet weather, with approximately 50 mm (2.0 in) of precipitation spread over 10 days. With an average humidity level of 89%, it's advisable to dress warmly and stay dry!

January Temperature in Thetford

In January in Thetford, the average temperature is 5°C (41°F). Maximum temperatures can reach 14°C (58°F), while minimums can drop as low as -4°C (24°F). Pack accordingly to enjoy your travels in Thetford during this chilly yet refreshing time of year!

January Weather in Thetford: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Thetford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thetford, January typically has an average temperature of 5°C (41°F), with highs reaching up to 14°C (58°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245485461646459534643
Data source: Temperature data for Thetford generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Thetford

In Thetford in January, the precipitation amount is 50 mm (2.0 in) over a span of 10 days.

January Precipitation Trends in Thetford

The chart displays monthly precipitation patterns in Thetford, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Thetford, January typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec505655326473668063814881
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Thetford

In Thetford in January humidity is 89%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less enjoyable and encouraging travelers to seek warmth indoors or layer up to stay comfortable while venturing out.

January Average Humidity in Thetford

This chart illustrates the average monthly humidity levels in Thetford, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Thetford is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%85%83%83%80%78%84%88%89%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Thetford

In Thetford in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Thetford.

Maximum UV Index Levels in Thetford for January

The chart shows the monthly maximum UV Index (UVI) for Thetford in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Thetford typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Thetford January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in Thetford Compares to Other Months

Weather in Thetford varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Thetford, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Thetford, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)50 mm (2.0 inches)89%low
February Weather6°C (43°F)56 mm (2.2 inches)87%low
March Weather7°C (45°F)55 mm (2.1 inches)86%moderate
April Weather9°C (48°F)32 mm (1.2 inches)85%moderate
May Weather12°C (54°F)64 mm (2.5 inches)83%high
June Weather16°C (61°F)73 mm (2.9 inches)83%very high
July Weather18°C (64°F)66 mm (2.6 inches)79%very high
August Weather18°C (64°F)80 mm (3.1 inches)78%high
September Weather15°C (59°F)63 mm (2.5 inches)84%moderate
October Weather12°C (53°F)81 mm (3.2 inches)88%moderate
November Weather8°C (46°F)48 mm (1.9 inches)89%low
December Weather6°C (43°F)81 mm (3.2 inches)88%low

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